Inner supporting unit for toroidal carcasses

(19)

(11)

EP 0 661 150 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	04.10.1995 Bulletin 1995/40

(43)	Date of publication A2:
	05.07.1995 Bulletin 1995/27

(21)	Application number: 94120825.8

(22)	Date of filing: 28.12.1994

(51)	International Patent Classification (IPC)⁶: B29D 30/24

(84)	Designated Contracting States:
	DE ES FR GB IT

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Priority:

31.12.1993 IT TO931027

(71)	Applicant: BRIDGESTONE CORPORATION
	Tokyo 104 (JP)

(72)	Inventor:
	Siegenthaler, Karl J. CH-6377 Seelisberg/Uri (CH)

(74)	Representative: Jorio, Paolo et al
	Studio Torta, Via Viotti, 9 I-10121 Torino I-10121 Torino (IT)

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References cited: :

(54)	Inner supporting unit for toroidal carcasses

(57) An inner supporting unit (1) for toroidal carcasses (2), wherein a number of ring segments (23) define a first annular supporting element (24) for the intermediate annular portion (6) of the carcass (2); and two rings (25, 26) of supporting members (27) are selectively operable for supporting the beads (4) of the carcass (2); the segments (23) defining a first (48) and second (49) number of segments (23) movable between an operating position wherein the two numbers (48, 49) of segments (23) define the first annular supporting element (24), and an idle position wherein the two numbers (48, 49) of segments (23) respectively define a second (52) and third (53) substantially annular element aligned with each other along an axis (9) and the outside diameter of which is smaller than the inside diameter of the beads (4).

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